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ws2_32: Rewrite WSAGetOverlappedResult for the new async I/O behavior.

This commit is contained in:
Alexandre Julliard 2007-06-04 23:03:20 +02:00
parent 35ef5df76c
commit 597dac7890
1 changed files with 14 additions and 29 deletions
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43
dlls/ws2_32/socket.c
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@ -3566,7 +3566,7 @@ BOOL WINAPI WSAGetOverlappedResult( SOCKET s, LPWSAOVERLAPPED lpOverlapped,
LPDWORD lpcbTransfer, BOOL fWait,
LPDWORD lpdwFlags )
{
DWORD r;
NTSTATUS status;
TRACE( "socket %04lx ovl %p trans %p, wait %d flags %p\n",
s, lpOverlapped, lpcbTransfer, fWait, lpdwFlags );
@ -3578,24 +3578,19 @@ BOOL WINAPI WSAGetOverlappedResult( SOCKET s, LPWSAOVERLAPPED lpOverlapped,
return FALSE;
}
if ( fWait )
status = lpOverlapped->Internal;
if (status == STATUS_PENDING)
{
if (lpOverlapped->hEvent)
while ( WaitForSingleObjectEx(lpOverlapped->hEvent,
INFINITE, TRUE) == STATUS_USER_APC );
else /* busy loop */
while ( ((volatile OVERLAPPED*)lpOverlapped)->Internal == STATUS_PENDING )
Sleep( 10 );
if (!fWait)
{
SetLastError( WSA_IO_INCOMPLETE );
return FALSE;
}
else if ( lpOverlapped->Internal == STATUS_PENDING )
{
/* Wait in order to give APCs a chance to run. */
/* This is cheating, so we must set the event again in case of success -
it may be a non-manual reset event. */
while ( (r = WaitForSingleObjectEx(lpOverlapped->hEvent, 0, TRUE)) == STATUS_USER_APC );
if ( r == WAIT_OBJECT_0 && lpOverlapped->hEvent )
NtSetEvent( lpOverlapped->hEvent, NULL );
if (WaitForSingleObject( lpOverlapped->hEvent ? lpOverlapped->hEvent : SOCKET2HANDLE(s),
INFINITE ) == WAIT_FAILED)
return FALSE;
status = lpOverlapped->Internal;
}
if ( lpcbTransfer )
@ -3604,18 +3599,8 @@ BOOL WINAPI WSAGetOverlappedResult( SOCKET s, LPWSAOVERLAPPED lpOverlapped,
if ( lpdwFlags )
*lpdwFlags = lpOverlapped->u.s.Offset;
switch ( lpOverlapped->Internal )
{
case STATUS_SUCCESS:
return TRUE;
case STATUS_PENDING:
WSASetLastError( WSA_IO_INCOMPLETE );
if (fWait) ERR("PENDING status after waiting!\n");
return FALSE;
default:
WSASetLastError( NtStatusToWSAError( lpOverlapped->Internal ));
return FALSE;
}
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}